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Amazon

Software Development Engineer 1

Customer Order Query

Medium

ROUND 4 (Round 3 — In-Person, Professional Experience Deep Dive)system_designCandidate Selected

Data Structures Queries Customer Data

Devise an efficient method to identify the customer who placed the highest number of KFC orders over the last three months. Discuss which data structures would best support this query.

This question was asked in

Amazon Software Development Engineer 1 Interview Experience

The Amazon interview process included four rounds, starting with online assessments focused on medium and hard DSA problems, followed by in-person problem-solving rounds featuring graph and interval-based questions, along with discussions on Leadership Principles. The final round involved a deep dive into the candidate's professional experience, including detailed discussions on a generative AI system and data queries. Overall, the interview experience at Amazon appears rigorous, emphasizing a balance of technical complexities and behavioral assessments.